Ace Hondros BIO 254 Exam 1 – Tips & Practice
Questions 2026
What are the functions of the lymphatic system? - ANSWER ✔✨---1. Drain excess interstitial fluid
2. Help prevent edema
3. Absorb lipids from the digestive system
4. Defend body from disease
What are the organswer of the lymphatic system - ANSWER ✔✨---Spleen, lymph nodes, lymphatic
vessels
Where are lymph nodes found? - ANSWER ✔✨---Everywhere in the body except the CNS ( brain
and spinal cord)
What does the lymphatic system do? - ANSWER ✔✨---Protects the human body against infection
and returns interstitial fluid back to the circulatory system
What are the 2 main lymphatic ducts - ANSWER ✔✨---Thoracic duct and right lymphatic duct
What portion of the body does the thoracic duct drain? - ANSWER ✔✨---75% of the body, Left
upper body, left and right lower body
, What portion of the body does the right lymphatic duct drain? - ANSWER ✔✨---25%, right upper
portion
Where do the 2 lymphatic ducts empty/drain? - ANSWER ✔✨---Subclavian vein, then back to the
circulatory system
What is the largest lymphatic organ? - ANSWER ✔✨---Spleen
What do lymphatic vessels contain, what do they do? - ANSWER ✔✨---Valves, help maintain lymph
circulation and prevents backflow
What does skeletal muscle contractions and inspirations do? - ANSWER ✔✨---help maintain
lymphatic circulation
Innate Immunity - ANSWER ✔✨---Non-specific
Physical barriers
Phagocytosis ( inflammation )
Adaptive Immunity - ANSWER ✔✨---Involves B and T cells
Carried out by lymphocytes
What is Humoral Immunity - ANSWER ✔✨---B cells and antibodies
What is cell mediated immunity? - ANSWER ✔✨---T cells ( T lymphocytes )
What are functions of interferons - ANSWER ✔✨---Immune signaling for molecules to target and
prevent the spread of viruses
What is the most abundant Immunoglobulin - ANSWER ✔✨---IgG- acts on bacteria, viruses, and
toxins, activates complement
Questions 2026
What are the functions of the lymphatic system? - ANSWER ✔✨---1. Drain excess interstitial fluid
2. Help prevent edema
3. Absorb lipids from the digestive system
4. Defend body from disease
What are the organswer of the lymphatic system - ANSWER ✔✨---Spleen, lymph nodes, lymphatic
vessels
Where are lymph nodes found? - ANSWER ✔✨---Everywhere in the body except the CNS ( brain
and spinal cord)
What does the lymphatic system do? - ANSWER ✔✨---Protects the human body against infection
and returns interstitial fluid back to the circulatory system
What are the 2 main lymphatic ducts - ANSWER ✔✨---Thoracic duct and right lymphatic duct
What portion of the body does the thoracic duct drain? - ANSWER ✔✨---75% of the body, Left
upper body, left and right lower body
, What portion of the body does the right lymphatic duct drain? - ANSWER ✔✨---25%, right upper
portion
Where do the 2 lymphatic ducts empty/drain? - ANSWER ✔✨---Subclavian vein, then back to the
circulatory system
What is the largest lymphatic organ? - ANSWER ✔✨---Spleen
What do lymphatic vessels contain, what do they do? - ANSWER ✔✨---Valves, help maintain lymph
circulation and prevents backflow
What does skeletal muscle contractions and inspirations do? - ANSWER ✔✨---help maintain
lymphatic circulation
Innate Immunity - ANSWER ✔✨---Non-specific
Physical barriers
Phagocytosis ( inflammation )
Adaptive Immunity - ANSWER ✔✨---Involves B and T cells
Carried out by lymphocytes
What is Humoral Immunity - ANSWER ✔✨---B cells and antibodies
What is cell mediated immunity? - ANSWER ✔✨---T cells ( T lymphocytes )
What are functions of interferons - ANSWER ✔✨---Immune signaling for molecules to target and
prevent the spread of viruses
What is the most abundant Immunoglobulin - ANSWER ✔✨---IgG- acts on bacteria, viruses, and
toxins, activates complement